A) bone-marrow
B) platelet
C) nervous tissue
D) lymphocyte
Correct Answer: A
Solution :
The mature bone generally has two types of parts-compact (dense and solid) or periostea! bone and spongy bone. The spongy bone (concelous or tubercular bone) consists of bony bars. The inter communicating spaces between the bars are filled with red bone marrow. The red blood corpuscles, white blood corpuscles and platelets are produced by the bone marrow. Bone marrow is thus the most radiosensitive tissue of the body. Nervous system composed of highly specialized cells, called the neuron, which detect and recieve information (stimuli) from different sensory organs and integrate them to determine the mode of response. Lymphocytes are nonmotile and non - phagocytic leucocytes. They produce anti bodies to destroy microbes and their toxins.
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